Testost-Rx is a natural androgen support formula designed to promote healthy testosterone levels. Clinical studies suggest that healthy levels of circulating testosterone are associated with increased physical energy and endurance, muscle growth, decreased body fat, mental acuity, and peak functioning of the circulatory system. Testost-Rx contains the clinically recommended amount of Tribulus Terrestris which has been shown to increase luteinizing hormone production and boost testosterone levels. This formula also provides Brazilian Muira Puama and standardized Yohimbine along with Zinc and DHEA: scientifically validated nutrients that work synergistically to stimulate the entire endocrine system.